Adjective

(en adjective)

Sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

* 1828 , , The Red Rover , ch. 2:

"If the vessel be no fair-trading slaver, nor a common cruiser of his Majesty, it is as tangible as the best man's reasoning, that she may be neither more nor less than the ship of that nefarious pirate the Red Rover."

* 1877 , , The Life of Cicero , ch. 9:

Mommsen . . . declares that Catiline in particular was "one of the most nefarious' men in that ' nefarious age. His villanies belong to the criminal records, not to history."

* 1921 , , The Indiscretions of Archie , ch. 26:

The fact that the room was still in darkness made it obvious that something nefarious was afoot. Plainly there was dirty work in preparation at the cross-roads.

* 2009 Oct. 14, Monica Davey, " Fact Checker Finds Falsehoods in Remarks," New York Times (retrieved 12 May 2014):

“I try to let everyone back here in Minnesota know exactly the nefarious activities that are taking place in Washington.”

Adjective

(er)

Untrue, not factual, factually incorrect.

*{{quote-book, year=1551, year_published=1888

, title= A New English Dictionary on Historical Principles: Founded Mainly on the Materials Collected by the Philological Society , section=Part 1, publisher=Clarendon Press, location=Oxford, editor= , volume=1, page=217 , passage=Also the rule of false position, with dyuers examples not onely vulgar, but some appertaynyng to the rule of Algeber.}}

Based on factually incorrect premises: false legislation

Spurious, artificial.

:

*

*:At her invitation he outlined for her the succeeding chapters with terse military accuracy?; and what she liked best and best understood was avoidance of that false modesty which condescends, turning technicality into pabulum.

(lb) Of a state in Boolean logic that indicates a negative result.

Uttering falsehood; dishonest or deceitful.

:

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.

:

*(John Milton) (1608-1674)

*:I to myself was false , ere thou to me.

Not well founded; not firm or trustworthy; erroneous.

:

*(Edmund Spenser) (c.1552–1599)

*:whose false foundation waves have swept away

Not essential or permanent, as parts of a structure which are temporary or supplemental.

(lb) Out of tune.